noun (plural tunicae /ˈtjuːnɪkiː/)
1 Anatomy A membranous sheath enveloping or lining an organ: [with Latin modifier]: tunica media
More example sentences
- Arterial calcification most commonly involves the tunica media.
- Muscle fibers arranged in various striae form the tunica media of veins, for example, in medium-sized vessels.
- The tumor completely encased the right coronary artery with external compression of the vessel wall without invasion into the tunica media.
Late 17th century: from Latin, literally 'tunic'.
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